To create a new session, write the following with your session name instead of [session]:
screen -R [session]
This will start a new session with name [session](if not created before) in a new clean "screen".
To dettach the session just press:
Ctrl + a (realease keys) d
To attach the screen session again, write again:
screen -R [session]
To list all the screen sessions:
screen...
Thursday, July 7, 2016
Tuesday, July 5, 2016
Command line history
The history command can be used to list all the previous commands you have typed before. The syntax is as following:
history n
where n is the number of commands you have typed before.
Example:
This lists the last 5 commands typed before:
$ history 5
510 cp /home/pepito/myfile /home/pepito/myfolder
511 ls
512 ip addr show
513 ifconfig
514 history 5
You can select to execute a command...
Shortcuts to cut, copy & paste on a terminal command line
Ctrl + u : Deletes from the cursor back to the line start.
.
Ctrl + k : Deletes from the cursor to the end of the line.
Ctrl + w : Deletes until after the previous word boundary.
Alt + d : Deletes until before the next word boundary.
Ctrl + y : Yank/Past the previous killed text at he cursor position.
Alt + y :...
Compress and Extract gz, .tar.gz, and .zip
Compress and Extract gz, .tar.gz, and .zip
.tar.gz:
Compress: tar -czvf file.tar.gz folder/to/compress/
Extract: tar -xzvf file.tar.gz
.tar:
Compress: tar -cvf file.tar folder/to/compress/
Extract: tar -xvf file.tar
.gz:
Compress: gzip -9 file
Extract: gzip -d file.gz
.zip:
Compress: zip file.zip folder/to/compress/
Extract: unzip file.z...
Monday, July 4, 2016
SIOCDELRT error when try to delete a single route from route table
If you want to delete a single route from the route table, you have to specify enough parameters to make this route unique.
For example, this gives you an error, because the mask is not specified:
$ sudo route del -net 192.168.5.0
SIOCDELRT: No such process
This gives you a successful output, because the mask is properly specified:
$ sudo route del -net 192.168.5.0/24
...
Friday, July 1, 2016
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